CN101252725A - Double-mode and double-standby terminal - Google Patents
Double-mode and double-standby terminal Download PDFInfo
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- CN101252725A CN101252725A CNA2008100149294A CN200810014929A CN101252725A CN 101252725 A CN101252725 A CN 101252725A CN A2008100149294 A CNA2008100149294 A CN A2008100149294A CN 200810014929 A CN200810014929 A CN 200810014929A CN 101252725 A CN101252725 A CN 101252725A
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Abstract
The invention discloses dual mode dual standby terminal, which comprises a dual mode single standby host computer composed of a dual mode radio frequency unit and a main baseband processor unit, a slave computer composed of a single mode radio frequency unit and a slave baseband processor unit, a voice unit and a user identification card unit, wherein the user identification card unit comprises a first user identification card and a second user identification card, the main baseband processor unit is connected with the slave baseband processor unit to control the slave computer, the voice unit and the user identification card unit are respectively connected with the main baseband processor unit and the slave baseband processor unit, and are controlled by the main baseband processor. Because the single mode radio frequency and baseband processor parts of the slave computer are additionally arranged, when work in a certain mode is started up by the host computer, the slave computer is simultaneously started up to work, thus the dual mode dual standby can be realized.
Description
Technical field
The present invention relates to moving communicating field, relate in particular to a kind of double-mode and double-standby terminal.
Background technology
The compatible GSM mobile communication of present TD-SCDMA terminal standard, have two kinds of patterns of TD-SCDMA and GSM, because TD-SCDMA network coverage area is less,, can when not satisfying the terminal transmitting-receiving and require, the TD-SCDMA network work on to the GSM network by automatic frequency-hopping according to relevant specification.Solved when exceeding the TD-SCDMA network range and to keep mobile phone, the problem that is unlikely to go offline at net.But the TD-SCDMA terminal has only a kind of pattern in work after start.Can not solve TD-SCDMA and GSM simultaneously at net, the situation of standby simultaneously, the i.e. function of TD-SCDMA and two kinds of standard dual-mode dual-standbies of GSM.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of dual-mode terminal that can realize dual-mode dual-standby.
In order to solve the problems of the technologies described above, the invention provides a kind of double-mode and double-standby terminal, comprise the double-mode single-standby main frame that constitutes by bimodulus radio frequency unit and main baseband processor unit, also comprise by the single mode radio frequency unit and reach the slave that constitutes from the baseband processor unit, VU voice unit and subscriber identification card unit, described subscriber identification card unit comprises first Subscriber Identity Module and second subscriber identification card, described main baseband processor unit connect described from the baseband processor unit with the control slave, described VU voice unit all is connected from the baseband processor unit with described with described main baseband processor unit with the subscriber identification card unit, and is controlled by described main baseband processor.
Wherein, described bimodulus radio frequency unit comprises the radio frequency part of 3G (Third Generation) Moblie standard and second generation mobile communication standard; Described single mode radio frequency unit comprises the radio frequency part of described second generation mobile communication standard.
Preferably, described 3G (Third Generation) Moblie standard is the TD-SCDMA standard, and described second generation mobile communication standard is a GSM standard.
In addition, described main baseband processor is controlled described VU voice unit by control bus and is connected or is connected from baseband processor with described with described main baseband processor.
Wherein, described main baseband processor connects and discerns the mode type of two subscriber identification cards described in the described subscriber identification card unit by control bus, and enables itself and described main baseband processor or being connected from baseband processor according to recognition result.
Preferably, described main baseband processor by the universal asynchronous receiving-transmitting mode with described from the baseband processor communication to transmit control command and data.
Wherein, described VU voice unit comprises voice amplifier, low pass filter and analog to digital converter; When as receiver, the in the future autonomous baseband processor of described digital to analog converter or be converted to analog signal from the digital audio and video signals of baseband processor after described low pass filter filtering, is amplified the output of rear drive loud speaker by voice amplifier with low frequency signal; When as microphone, after the described voice amplifier amplification of the voice signal process of microphone collection, pass through the filtering of described low pass filter again, at last filtered data are sampled the outputting digital audio signal to described main baseband processor or from baseband processor through analog to digital converter.
Optionally, the single-mode dual-standby pattern of this terminal is controlled the radio frequency part work of the second generation mobile communication standard of described bimodulus radio frequency unit by main baseband processor, and the realization of partly working of the second generation mobile communication standard of described single mode radio frequency unit.
Wherein, described two subscriber identification cards are respectively usim card and SIM card.
In addition, described main baseband processor unit and include digital baseband processor and analogue baseband processors from the baseband processor unit.
The present invention just can realize dual-mode dual-standby because the single mode radio frequency and the baseband processor part of having set up slave after the work of a certain pattern of host-initiated, starts slave work at this moment simultaneously; Thereby when using 3G network, compatible 2G network has satisfied the daily demand of people.And,, thereby can realize single-mode dual-standby because the main frame among the present invention all comprises identical mode of operation and relevant hardware circuit with slave.So, the present invention the mode of operation that can realize abundant, give the user with more selection, satisfied user's multiple demand.
Description of drawings
Fig. 1 is the structural representation of an embodiment of a kind of dual-mode terminal of the present invention;
Fig. 2 is the structural representation of an embodiment of VU voice unit among Fig. 1.
Embodiment
The present invention will be described in detail below in conjunction with accompanying drawing.
With reference to figure 1, illustrate the structural representation of an embodiment of a kind of dual-mode terminal of the present invention.As shown in the figure, comprise four major parts: host machine part 1, slave part 2, VU voice unit 3 and subscriber identification card unit 4.
Wherein, host machine part 1 comprises main baseband processor unit 11 and bimodulus radio frequency unit 12.Described bimodulus radio frequency unit 12 comprises the radio frequency part of two kinds of mobile communication standards, for example TD-SCDMA and GSM, be used for as radio-frequency transmitter and radio frequency sending set, its inside further comprises radio-frequency filter, low noise amplifier, frequency mixer, pulse generator, power amplifier etc.; When as transmitter, the digital signal of coming autonomous baseband processor unit 11 is modulated through frequency mixer through production burst sequence behind the pulse generator again, amplifies output through power amplifier at last; When as receiver, at first remove the partial noise signal through the signal that antenna receives through radio-frequency filter, useful signal is amplified through low noise amplifier then, pass through the demodulation of frequency mixer at last after, the output analog signal is to described main baseband processor 11.This analog signal is carried out follow-up processing after entering and at first being converted to digital signal through analog to digital conversion after the main baseband processor 11 again.
Described main baseband processor unit 11 is used to simulate and Digital Signal Processing and control the mode of operation of described bimodulus radio frequency unit 12, for example is operated in the radio frequency part pattern of TD-SCDMA or the pattern of GSM radio frequency part.
Wherein, slave part 2 comprises from baseband processor unit 21 and single mode radio frequency unit 22.22 of described single mode radio frequency units based on mobile communication standard identical with second generation mobile communication standard in the described bimodulus radio frequency unit 12, for example be the GSM radio frequency unit, its inner structure can not repeat to set forth at this with reference to described bimodulus radio frequency unit 12;
Described being used for from baseband processor unit 21 handles the numeral and the analog signal of slave, receives the signal from 22 outputs of single mode radio frequency unit, and output signal is sent to described single mode radio frequency unit 22 and the redlyyest launches via antenna.Describedly be connected by the UART interface between baseband processor unit 21 and the described main baseband processor unit 11, and be controlled by main baseband processor unit 11 from baseband processor unit 21, under the control of main baseband processor unit 11, carry out work or quit work, and then the work of controlling whole slave whether.
Described VU voice unit 3 is used under the control of main baseband processor unit 11 voice signal of whole terminal being handled, comprise processing from the voice signal of microphone, and come autonomous baseband processor unit 11 or from the processing of the digital audio and video signals of baseband processor unit 21, described VU voice unit 3 is with main baseband processor unit 11 or from controlling being connected by main baseband processor unit 11 of baseband processor unit 21.The concrete structure of VU voice unit 3 can be with reference to embodiment illustrated in fig. 2.
Described subscriber identification card unit 4 comprises two draw-in grooves, holds first Subscriber Identity Module 41 and second Subscriber Identity Module 42 respectively.Described first Subscriber Identity Module 41 and second Subscriber Identity Module 42 can one is usim card, and another is a SIM card; Perhaps, two all is SIM card.The control bus CB2 that passes through of described two draw-in grooves is connected with main baseband processor unit 11, and two draw-in grooves are all set up data transmission path by data/address bus and main baseband processor unit 11 with from baseband processor unit 21, but specifically the card of which draw-in groove with from baseband processor unit 21 or main baseband processor unit 11 be connected then and control by main baseband processor unit 11, main baseband processor unit 11 at first detects by control bus CB2 inserting the row identification of sticking into of two draw-in grooves, and enables the data connection of corresponding card and corresponding baseband processor according to recognition result.For example, if inserted the usim card of TD-SCDMA standard and the SIM card of GSM standard respectively, this moment, the bimodulus host machine part then was based on the dual mode system of TD-SCDMA and GSM, single mode slave part then is the GSM single-mode system, after the usim card that it is respectively the TD-SCDMA standard that then main baseband processor unit 11 detects two cards and the SIM card of GSM standard, then enable usim card and be connected with the data of main baseband processor unit 11, and SIM card with from being connected between the baseband processor unit 21; After two cards that insert all are the SIM of GSM standard, then respectively according to ID number of two cards with 21 the connecting of corresponding single mode part from the baseband processor unit, or be connected with the main baseband processor unit 11 of bimodulus part, perhaps insert one of two baseband processor at random.
With reference to figure 2, illustrate the structural representation of an embodiment of VU voice unit among Fig. 1.As shown in the figure, VU voice unit 3 comprises voice amplifier 31, low pass filter 32 and analog to digital converter 33.When working in earphone function, at first will amplify from the voice signal of microphone by voice amplifier 31, after behind low pass filter 32 filtering High-frequency Interference and the noise, quantize to finish analog-to-digital conversion through 33 pairs of analog signal samplings of analog to digital converter again, obtain digital audio and video signals at last by pcm interface or I from low pass filter 32
2The S interface inputs to main baseband processor unit 11 or from baseband processor unit 21; When working in handset function, come autonomous baseband processor unit 11 or from the digital audio and video signals of baseband processor unit 21, at first be converted to analog signal by analog to digital converter 33, after this analog signal is removed partial noise through low pass filter 32, through voice amplifier 31 useful low frequency signal is amplified again, drive the loud speaker sounding at last.Wherein, VU voice unit 3 is provided with data channel with main baseband processor 11 with from baseband processor 12, and the gating of data channel is controlled by main baseband processor unit 11; Main baseband processor unit 11 connects by control bus CB1 and VU voice unit 3, main baseband processor unit 11 is according to current mode of operation, and then enable both voice unit 3 is connected with main baseband processor unit 11 or from the data channel between the baseband processor unit 21.
In order more to help to understand the present invention, below briefly set forth several operating states of the present invention:
With bimodulus partly is TD-SCDMA and GSM, and the single mode part is an example for GSM,
When the TD-SCDMA of host machine part pattern worked independently, this moment, host machine part was opened, i.e. the work of TD-SCDMA radio frequency part in the bimodulus radio frequency unit 12,11 work of main baseband processor unit; And the single mode slave is partly closed; The standby that works independently of TD-SCDMA main frame, and keep the frequency hopping function of TD-SCDMA network signal when bad;
When independent use GSM network, this moment host machine part the standby that works independently of GSM pattern, host machine part is opened, i.e. the work of GSM radio frequency part in the bimodulus radio frequency unit 12,11 work of main baseband processor unit; And the single mode slave is partly closed;
When working in the bimodulus pattern, when promptly working in two kinds of patterns of TD-SCDMA and GSM, this moment host work, i.e. TD-SCDMA radio frequency part in the bimodulus radio frequency unit 12 work, 11 work of main baseband processor unit; Slave is partly worked, i.e. single mode radio frequency unit 22 and 21 work from the baseband processor unit; And then realized the double-module double-standby function;
Wherein, owing to have two draw-in grooves, thereby can insert two cards respectively, SIM card of a usim card, the user only needs arbitrarily to insert, and discerns and set up connection with corresponding baseband processor by main frame.
When working in the single-mode dual-standby pattern, promptly work in two GSM pattern formulas, the GSM radio frequency part work in the bimodulus radio frequency unit 12 of host machine part at this moment, 11 work of main baseband processor unit; Slave work is promptly from baseband processor 21 and 22 work of GSM single mode radio frequency unit.
Need to prove, be that example is set forth only below with 3G (Third Generation) Moblie standard TD-SCDMA and second generation mobile communication standard GSM, but those of ordinary skills should predict for WCDMA in the 3G (Third Generation) Moblie standard and CDMA2000, and the combination of second generation mobile communication standard CDMA etc. also all is suitable for.
By above elaboration as can be seen, the solution of dual-mode terminal of the present invention not only can realize dual-mode dual-standby, can also realize that single-mode dual-standby, single mode list treat that its working method is very abundant, and is convenient for users.And, since simple in structure, do not relate to modification substantially, and then work is more stable to protocol layer.In addition, main baseband processor of the present invention unit 11 and all comprise ABB (Analog Baseband Processor, analogue baseband processors) and DBB (Digital BasebandProcessor, digital baseband processor) from baseband processor unit 21.
Above disclosed is a kind of preferred embodiment of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.
Claims (10)
1. double-mode and double-standby terminal, comprise the double-mode single-standby main frame that constitutes by bimodulus radio frequency unit and main baseband processor unit, it is characterized in that, also comprise by the single mode radio frequency unit and reach the slave that constitutes from the baseband processor unit, VU voice unit and subscriber identification card unit, described subscriber identification card unit comprises first Subscriber Identity Module and second subscriber identification card, described main baseband processor unit connect described from the baseband processor unit with the control slave, described VU voice unit all is connected from the baseband processor unit with described with described main baseband processor unit with the subscriber identification card unit, and is controlled by described main baseband processor.
2. double-mode and double-standby terminal according to claim 1 is characterized in that described bimodulus radio frequency unit comprises the radio frequency part of 3G (Third Generation) Moblie standard and second generation mobile communication standard; Described single mode radio frequency unit comprises the radio frequency part of described second generation mobile communication standard.
3. double-mode and double-standby terminal according to claim 2 is characterized in that, described 3G (Third Generation) Moblie standard is the TD-SCDMA standard, and described second generation mobile communication standard is a GSM standard.
4. according to each described double-mode and double-standby terminal in the claim 1 to 3, it is characterized in that described main baseband processor is controlled described VU voice unit by control bus and is connected or is connected from baseband processor with described with described main baseband processor.
5. according to each described double-mode and double-standby terminal in the claim 1 to 3, it is characterized in that, described main baseband processor connects and discerns the mode type of two subscriber identification cards described in the described subscriber identification card unit by control bus, and enables itself and described main baseband processor or being connected from baseband processor according to recognition result.
6. according to each described double-mode and double-standby terminal in the claim 1 to 3, it is characterized in that, described main baseband processor by the universal asynchronous receiving-transmitting mode with described from the baseband processor communication to transmit control command and data.
7. according to each described double-mode and double-standby terminal in the claim 1 to 3, it is characterized in that described VU voice unit comprises voice amplifier, low pass filter and analog to digital converter; When as receiver, the in the future autonomous baseband processor of described digital to analog converter or be converted to analog signal from the digital audio and video signals of baseband processor after described low pass filter filtering, is amplified the output of rear drive loud speaker by voice amplifier with low frequency signal; When as microphone, after the described voice amplifier amplification of the voice signal process of microphone collection, pass through the filtering of described low pass filter again, at last filtered data are sampled the outputting digital audio signal to described main baseband processor or from baseband processor through analog to digital converter.
8. according to claim 2 or 3 described double-mode and double-standby terminals, it is characterized in that, the single-mode dual-standby pattern of this terminal is controlled the radio frequency part work of the second generation mobile communication standard of described bimodulus radio frequency unit by main baseband processor, and the realization of partly working of the second generation mobile communication standard of described single mode radio frequency unit.
9. double-mode and double-standby terminal according to claim 5 is characterized in that, described two subscriber identification cards are respectively usim card and SIM card.
10. according to each described double-mode and double-standby terminal in the claim 1 to 3, it is characterized in that described main baseband processor unit and include digital baseband processor and analogue baseband processors from the baseband processor unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100149294A CN101252725A (en) | 2008-03-29 | 2008-03-29 | Double-mode and double-standby terminal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100149294A CN101252725A (en) | 2008-03-29 | 2008-03-29 | Double-mode and double-standby terminal |
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| CN101252725A true CN101252725A (en) | 2008-08-27 |
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| CNA2008100149294A Pending CN101252725A (en) | 2008-03-29 | 2008-03-29 | Double-mode and double-standby terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769777A (en) * | 2012-03-13 | 2012-11-07 | 新奥特（北京）视频技术有限公司 | Audio trans-coding method |
| CN104619047A (en) * | 2015-01-16 | 2015-05-13 | 联想(北京)有限公司 | Communication method and electronic device |
-
2008
- 2008-03-29 CN CNA2008100149294A patent/CN101252725A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102769777A (en) * | 2012-03-13 | 2012-11-07 | 新奥特（北京）视频技术有限公司 | Audio trans-coding method |
| CN102769777B (en) * | 2012-03-13 | 2017-12-19 | 新奥特（北京）视频技术有限公司 | A kind of method for realizing audio transcoding |
| CN104619047A (en) * | 2015-01-16 | 2015-05-13 | 联想(北京)有限公司 | Communication method and electronic device |
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Open date: 20080827 |